The SGFA-47NK In-Stack Filter assembly kit features the unique design combination of borosilicate glass 47mm filter inlet with integrated nozzle, allowing the option to weigh the glass fiber filter media individually for Method 17 or very similar to Method 5I by weighing the combined nozzle & filter media with a support, O-Ring and PTFE Tape. The kit includes the standard array of seven nozzle sizes from 1/8” to 1/2”. SGFA-47NK

GLASS IN-STACK FILTER ASSEMBLIES

The Apex Instruments GFA-2590 Thimble Holder is constructed completely from borosilicate glass for use with Conditional Method for Ammonia (CTM-027) and accepts tapered 25 x 90mm thimbles, specifically manufactured for stack sampling. Does not require O-Rings or grease, for testing at higher temperatures. The borosilicate glass withstands temperatures up to 480°C (900°F).

In-Stack Thimble Holder Kit – Includes a selection of the seven most commonly used nozzle inserts from 1/8” to 1/2” and one housing. Kit is conveniently packaged in a foam-lined carrying case for protection. The thimble holder connects directly to the end of the probe with a 5/8” tube union and soft ferrules. GFA-2590K